Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 125
... rates of atrazine ( in the top soil ) were 0.15 , 0.20 , and 0.25 ppmw . The herbicide concentrations were selected so that the middle rate was close to the GR value the rate which would result in a 50 % reduction in the shoot growth as ...
... rates of atrazine ( in the top soil ) were 0.15 , 0.20 , and 0.25 ppmw . The herbicide concentrations were selected so that the middle rate was close to the GR value the rate which would result in a 50 % reduction in the shoot growth as ...
Page 52
... rate differences except for temephos and parathion : Seedling numbers in both rates of carbofuran and terbufos and the lower rates of parathion , phorate and isazophos did not differ significantly ( P < 0.01 ) from those in control 2 ...
... rate differences except for temephos and parathion : Seedling numbers in both rates of carbofuran and terbufos and the lower rates of parathion , phorate and isazophos did not differ significantly ( P < 0.01 ) from those in control 2 ...
Page 227
... rates . INTRODUCTION Initial trials with DPX 3674 suggested the possibility of control of bracken and toetoe in plantations of radiata pine , and showed that radiata pine was tolerant to low rates applied as a foliar spray . There were ...
... rates . INTRODUCTION Initial trials with DPX 3674 suggested the possibility of control of bracken and toetoe in plantations of radiata pine , and showed that radiata pine was tolerant to low rates applied as a foliar spray . There were ...
Contents
Chairmans summary | 1 |
Notillage establishment of lucerne G C Atkinson | 9 |
Insects affecting lucerne seed production | 19 |
Copyright | |
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Common terms and phrases
29th N.Z. Weed activity adults Agric Agricultural Research Centre alachlor aphid application areas assessed asulam atrazine Auckland autumn azinphos-methyl barley grass benomyl BGLA black beetle blue-green lucerne aphid brassicas Canterbury carbofuran chemical chlorpyrifos Christchurch crop cultivars cypermethrin damage diflubenzuron disease DSIR effect emergence ethofumesate fensulfothion field trials foliage fungicides germination gorse granules grass grub growth Hamilton harvest herbicides increased insect insecticides isazophos kg/ha larvae leaf legumes Lincoln linuron litres/ha lucerne lucerne yield maize method mite nematode North Island numbers oats P.O. Box Palmerston North paraquat pasture Pest Control Conf phorate picloram plants plots population post-emergence Proc pyri rates reduced replicates residual resistant Ruakura Ruakura Agricultural Research ryegrass samples season seed seedlings significant significantly soil sowing sown species spray sprayer spring stage summer Table tested treatments triclopyr untreated Weed and Pest weed control weeks weevil Wellington white clover white-fringed weevil Zealand